package main
import "fmt"

type point struct {
	x,y int
}

var m map[string]point

func main() {
	m=make(map[string]point)
	m["origin"]=point{-1,-1}
	m["one-one"]=point{1,1}

	ele,ok:=m["origin"]
	fmt.Println(ele,ok)

	delete(m,"origin")
	ele2,ok2:=m["origin"]
	fmt.Println(ele2,ok2)
}
